!--...-- allows you to insert a line of browser-invisible comments in your document
html...html marks the opening and closing of an HTML document
head...head creates the head of an HTML document
body...body creates the body of an HTML document
isindex activates the browser's searching function
EX.
link this command, primarily used by HTML-generating tools, indicates a relationship to other documents (and unlike anchors, cannot indicate relationships to parts of documents)
meta allows you to specify metacontent (self- referential content, or information about the document itself--meant to be read by machines)
base indicates the full URL of the current document
title...title allows you to select a title that will appear in the title bars of browser windows and in bookmarks (default is the actual file name of your document)
ul.../ul
ol>.../ol
dl.../dl lets you create a list ordered, unordered or plain.
img loads an inline image
div lets you divide you contents.
